Hair clipping implement



Jan. 22,

Filed Jan.

F'. L.. HAZELQUIST HAIR CLIPPING IMPLEMENT 4 Sheets-Sheet l Jan. 22, 1957 F. L. HAzELQulsT HAIR CLIPPING IMPLEMENT 4 Sheets-Sheet 2 Filed Jan. 17, 1952 Jan. 22, i957 F1 HAZELQU|5T 2,77806 HAIR CLIPPING IMPLEMENT Filed Jan. 17', 1952 4 Sheets-Sheet 5 IIan. 22, 1957 F, HAzELQulsT 2,778,106

HAIR CLIPPING IMPLEMENT 4 Sheets-Sheet 4 Filed Jan. 17, 1952 United States Patent 2,778,106 HAIR CLIPPING IMPLEMENT Fred L. Hazelquist, Menlo Park, Caiif. Application January 17, 1952, Serial No. 266,816 Claims. (Cl. Sti- 201) The present invention relates to improvements in clippers of the oscillatory type and operated clipper having a cutting member movable fore and aft as well as laterally over a fXed comb.

The purpose of this combination and -arrangement of parts is to provide a single, handy barbering device which may be easily and safely held and used in one hand, by a novice, in executing any and all of the usual hair arranging and picking up operations preparatory to cutting the hair as performed with two hands, by a skilled barber. In other words, the primary object of my invention is to provide a combined power clipper device and fixed comb for use in first picking up the hair and then cutting and/ or tnimming the hair as larranged and held by the fixed comb in lieu of the usual separate barbers shears and comb, and with far greater facility, accuracy and speed than can be performed other than by a Skilled barber.

Another object of my invention, therefore, is to provide a power clipper with a comb-type blade which is rigidly fixed thereto to extend outwardly therefrom at approximately 45 degrees to the axis thereof, so that the operative face of the comb be readily visible to the user for both combing and cutting operations, and to provide teeth of the relatively short and are mounted on the operative face on the comb body adjacent the base of hair clipping association with the comb teeth, throughout the entire length thereof, to their outer free ends.

A still further object of my invention is to provide a hair cutting and trimming implement which is also selectively usable as a hair comb and a hair clipper.

Another object of my invention is to provide a combined hair-combing, trimming and clipping implement, in which the disposition of the handle providing body and the hair combing and cutting mechanisms are so arrange and disposed as to increase the users vision and control of the implement and thus provide a greater measure of confidence and assurance in his ability to perform a iirstclass hair trimming and/or cutting job.

Another object of my invention is to provide a device of the above noted character in which the power operated clipper is spring biased to a normal non-hair clipping position on the comb body and wherein a thumb or linger operated lever is provided to slide the clipper mechanism, user, to and from said non-hair cutting position on the comb body and to and from the free ends of the comb teeth, the unitary device being usable in such a manner that the comb and clipper mechanisms may be selectively used and controlled by the same hand that holds and directs the device for operation.

the hair sol as to blending to the contour of the head.

A still further a barbenng device of the above noted character which power operated hair cutting device of the character above referred to which is rprovided with simple and efficient means for lubricating the cooperating bearing surfaces of the comb and cutting blade.

The foregoing recited objects and advantages, together with any subsequent features that maybe developed in Fig. 3 is aninner orrear elevational View of the Vibraf tory plate and the associated cutter blade controlling plate,

view of the improved. imf

observed in the size, the previously described arranca vice as having completed the hair picking Aup operation -of Fig. 8, and subsequent cutting operation by advancing the clipper member;

Fig. 10 is a top plan view of the improved light weight 'pressed sheet metal cutting blade;

Fig. 11 is a bottom plan view ofthe blade;

Fig. 12 is a transverse sectional view of the blade as observed in the plane of line 12-12, on Fig. 10;

Fig. 13 is a further transverse sectional view as observed in the plane of line 13-13, on Fig. 10;

Fig. 14 is an elevational view corresponding to Fig. 3 and disclosing improved lubricating means for the relatively movable parts;

Fig. l is a broken side elevational view corresponding generally to Fig. 1, but with the cutting blade advanced to a desired cutting position on the comb Vand also disclosing the means for retaining lubricant wicks and their operative relation to the comb and blade Working surface;

Fig. 16 is a view generally similar to Fig. '1, but disclosing a modified lembodiment of the invention, the oscillatory cutting blade being shown in maximum advanced position for cooperation with the outer pointed tip portions of the comb as a clipper; V

Fig. 17 is a sectional view substantially in the plane of line 1'7-17, on Fig. 16;

Fig. 18 is a partial transverse sectional view of the supporting frame and carriage;

Fig. 19 is a sectional view, on a reduced scale, in the plane of line 19-19, on Fig. 16, and showing the forward or outer face of the modified vbratory plate to which the cutter blade oscillating mechanism is attached.

Referring now in detail to the drawings, and referring first to Figs. 1 to 5 thereof, a mechanism supporting head is provided and which comprises a supporting or base plate 10. This plate extends transversely of and is suitably secured to the forward end of the usual handle forming housing H, which may be connected to a power 0perating mechanism. This mechanism is usually an electric motor of well known form and in the instant case includes a rotary shaft S carrying an eccentric pin P at its forward end.

The base plate is provided with an aperture 11 which receivesthis forward end of shaft S. The eccentric pin P projects through 'this aperture with its free end a substantial distance from the forward face of the plate 10, as is shown in Fig. 1.

The head further includes opposite side flanges 12 which may be integral with or suitably rigidly secured to the opposite ends of the base plate 10.

Rigidly secured to the lower edge of the base plate 10, as by screws 13, is a track bar 14 and which bar is provided in its upper face with a V-groove forming a track or slide for a purpose later referred to.

Disposed adjacent the upper edge of the base plate 10 is a roller 16 provided with a transversely arcuate circumferential groove 17 whose center line is preferably in the vertical plane of the apex line of the V-groove 15 in the plate 14.

The roller 16 is rotatably supported on the base plate 10 by any suitable means such as a screw 18 and a washer 19 interposed between the base plate and adjacent face of the roller.

A vibratory plate 20 of insulating material is disposed in advance of the base plate 10 and the lower edge thereof is bevelled, as at 21, for longitudinal sliding engagement with the V-track or slide 1S. The vibratory plate 20 is provided with a vertically elongated rectangular opening 22 intermediate its upper and lower edges and which extends entirely through the plate. The outer end of this opening is closed by a plate 23 which is secured to the outer face of vibratory plate 20 as by means of screws 24 and the upper edge of plate 23 terminates in cylindrical portions 25, through which extends a shaft 26.

The shaft 26 projects equidistantly beyond the outermost ends of the cylindrical portions Z5 and is rigidly supported therein. The major central portion of this shaft 26 conforms with and is received in the roller groove 17 for axial supported movement thereof. lt will be observed from the above description that by the provisiori of the linear track or slide 15 and the anti-friction roller 16, together with the cooperating bevelled edge 21 and shaft 26 of the vibratory plate 2t?, said plate 20 is freely guided for movement transversely of the head, or lengthwise of the base plate 10.

The vibratory plate 20 is preferably provided with resilient bearing plates 27, e. g. leaf springs, at the opposite vertical sides of the central opening 22 and which are engaged by pin P in its eccentric movement to thereby impart comparatively noiseless oscillation to the plate 2t). The bearing plates 27 may be retained in position as by means of small rivets, screws, or the like, designated 23.

he plate 2.3 is provided with a stop tongue 29 having a transversely elongated free end portion 30 which will be later referred to.

By forming the plate 2t) of insulating or non-conducting material, the device is rendered wholly immune to electrical 'shocks as may otherwise be experienced both from the handle H and the combing and clipping mechanisms.

At this point, it is to be noted that while the mech.- anism for imparting vibration to plate 20 is shown as embodying a rotary shaft having an eccentric pin, the improved barbering device is capable of use with other forms of power mechanism for imparting Vibration to the plate 2li.

A comb 31 is rigidly secured to the lower projecting end portions of the flanges 12, as by screws 32a (Fig. 6) to extend transversely between these projecting flange ends. This comb includes a solid rear non-cutting base area 32 and a forward long toothed cutting area 33. The upper face of the entire comb is plane and is disposed in substantially 30 degree relation to the axis of the handle H, or 60 degree relation to the base plate 1t). However, this angle may vary as will appear in the disclosure of the second embodiment of the invention.

A cutter blade advancing and retracting plate 34, is provided at its upper edge with ears or cylindrical portions 35 which are spaced to freely receive the opposite projecting ends of shaft 26 and abut the adjacent ends of the cylindrical portions 25, whereby the plate 34 is transversely movable with plate 2i) and is also swingable toward and away from the plate Ztl, that is, in a direction lengthwise of the teeth 33 of comb 31.

This control plate 34 is provided with a centrally arranged vertically disposed notch 36 extending inwardly from its upper edge and through which the tongue 29 projects. This tongue has Aa transversely elongated free end portion 30 which is Iengageable with the plate 34 at opposite sides of the notch, as is indicated in dotted lines in Fig. 1 for limiting the forward swinging movement of the advancing and retracting plate for reasons which will later appear.

The lower edge of plate 34 is also provided with spaced ears or cylindrical portions 37 which receive the opposite -ends of a transverse shaft 38. A pair of lingers 39 are rotatably supported on the central portion of this shaft 38 and include spaced cylindrical shaft-receiving cylindrical portions 40, disposed between the cylindrical portions 37 and abut the inner opposed ends thereof. These abutting cylindrical portions 37 and 40 are preferably provided with cooperating shoulders 41 to limit movement of the fingers 39 in the direction of the comb 31, see Figs. l and 3.

These fingers 39 are yieldably urged in the direction of the comb by means of a spring 42 which includes, an intermediate loop portion 43 engaged with the lower edge of plate 34, coil portions 44 encircling the central portion of the shaft 38, and terminal portions #l5 extending over the lingers 39 and engaged in apertures therein. The

nesr 3.9 are iurther- '1t-Wide@ with dawllwafdlysxistdsd. reduced free ends"47 for a purpose, about to ap, A lightweight cutter 'blade i8l (shownfindetail in Figs. l()y to 13:) includes an elongated; body which extendstransversely of the comb body and teeth on which it is slid'ably sheet1 metal and includes a relatively narrow plane rear edge portion 49, a forward edge or toothed portion 50 and an intermediate outwardly arched portion 5.1L/

The arched portion 51 ijs provided with a pair of transversely spaced apertures 52 which removably receive the reduced free. pointed ends 47: of the lingers 3 l With particular reference to Figs. 1019. 13, it is to be observed that the forward edge porti-on of the cutting blade 48 is provided with alternating short and long notches 53 and 54 respectively. The notches 53 are formed in the free edge ofthe arched body portion 51 of .the blade and the notches 5,4 are formed m ridged porcutting edges on the margins of the notches 54 as is indicated in Fig. ll. This form of cutting blade not only provides for economical manufacturebut also provides -a blade of minimum weight with spaced bearing surfaces, therefore assuring more accurate bearing engagement with the working surface of the comb. Furthermore, this particular form of blade, due to its sheet metal structure and limited bearing surface, greatly reduces frictional heat with a consequent reduction in wear of cooperating blade and comb surfaces. The transversely arched portion of the sheet metal blade also aids inremoving frictional heat Iby permitting air to circulate between the major portions of the bl-ade and the working surface of the comb, as well as reducing the area of contact between the blade d8 and the comb 31.

A manually operable member is provided for moving and swinging the plate 34 about the axle of shaft 26 for corresponding movement of the cutter blade 43 toward or `away from the pointed free ends of the comb teeth 33 and such means in a preferred form comprises a plate 60 having laterally disposed ears 61 disposed immediateiy within the anges 12 and pivotally secured thereto by screws 62 co-axially vwith shaft 26.

Opposite side arms 63 depend from the finger plate `S9 and extend along opposite edges of plate 3d (Fig. Stand these arms at their lower ends are provided with projections 64 and 65 which engage inner and outer yfaces ofthe plate 34 respectively adjacent the opposite edge' thereof. These side arms 63 may be made of resilient material to minimize vibration felt on the plate di).

The manually operated plate 60 and therewith the con trol plate 3 4 'and cutting 'blade 51 'are' normally retracted to their rearmost inoperative position, as in Fig. l, by means ot` a pair of coil springs .66, one at each edge of the plate. One end of each spring 66 is connected to an eye 67 carried by a respective ilange 12 and the other end thereof is secured to an eye 68 carried by 'a respective linger plate arm 63 rearwardly of the corresponding projection 64.

While in Figs. l to the comb 31 is shown as vbeing relatively thick and having a convexed `lower face, it is essential only `that the fixed comb have a lsubstantial body portion with long teeth providing 'a plane upper working surface and accordingly a comb of the 'general form of an .ordinary barbers comb may be employed. Such a form istherefore illustrated in Figs. 7, r8, and 9 and designated 31a.

The invention further includes n ovel lubricating means Aand for a disclosure otsame, reference will be had to Figs. 14 and l5.

As indicated in these gures, the cutter blade advancing and retracting plate 34 is provided with a yieldable` tongue 70, adjacent each edge and on the rear .face thereof. These .tongues may-be separate metal ,strips suitably se- Cured t@ the plete 324 Shave QI. they. may be Streek, auf;

the cylindrical portions 37.

`lilith this arrangement, the lower ends `of, the wicks or strips will be dragged over `the working surface of` the comb for distancesequal to lone half the length of the comb, well as shorter distances transversely of the comb as is occasioned 'by cutting oscillation of the plate 3d. However, the blade will pick 'up oil delivered'by the wicks and eventually spread it over `the'entire working lsurface of the comb. l l l Having described the structure of the first embodiment of the improved barbering device, the operation thereof is as follows: l

The cutting blade 48 and Iadvancing and retracting plate are normally in the position indica-ted by solid lines in Fig. l. The power mechanism is set into operation with Ia resulting rotation of shaft S and the rotation of pin P about the axis of the shaft. The pin P in its circular orbit of rotation will engage the yieldable plates 27 and thereby impart quiet lateral or vibratory movement to the plate 2d. and through the connections, previously described, the control plate 303, together withy the cutting blade de, will be oscill'ated. l i

on the solid or toothless and non-cutting surface area of ment that it does in a cutting operation, it nevertheless is inoperative to cut in that it is not opposed to the comb teeth. 'A

relation to the scalp as duplicates any particular cut surdesired iinished cut.

After having combed and picked up the hair, as in Fig. 8, and while the blade is oscillating, the operator presses rearwardly on upper end of plate 60 with a resulting forward swinging movement 'of the advancing and retracting plate 34 thereby advancing the cutter blade 4S outwardly over the plane toothed surface of the comb. lf the blade is moved forwardly to the free ends of the comb teeth, as in Fig. 9, an the hair whi'h in Figl's protrudes through the comb, will be cut off.

It will be noted that it is also possible to advance and Accordingly, the axis of shaft .38 is at variable distances from the comb working surface in the fore and aft inovementof the blade. However, the spring 42urges ,the ends 4 7 fof 'the' fingers 39 downwardlywth'substantially uniform pressure in all ranges of such fore and aft movement with a resulting uniform pressure between the com b and blade working surfaces.

Since the blade is maintained in working position by the loose engagement of the finger ends 47 therewith, the blade is capable of ready removal upon slight lifting of the finger ends 47.

Reference will now be had to Figs. 16 to 19, wherein there is disclosed the second embodiment of the invention.- While the structure of this modified embodiment provides the same general operation as the lirst embodimerit, it differs therefrom essentially in the provision of cutting blade supporting and operating mechanism which is movable in two directions in a plane parallel to the working surface of the comb, thereby eliminating the swinging plates of the first embodiment.

As indicated in Fig. 16, the supporting plate 10, having the aperture 11 and receiving the shaft S as in the first embodiment, is provided. The plate 10, however, is provided with a pair of laterally spaced arcuately grooved rollers 75 adjacent its upper edge and a second pair of arcuately grooved rollers 76 adjacent its lower edge which are respectively vertically aligned with the upper rollers,

A vibratory plate 2da of electrical insulating material is disposed forwardly of the supporting plate 10. This plate has upper and lower outwardly convex edges which are transversely aligned with the grooves in the upper and lower rollers 75 and 76, for free lateral vibratory mov-ement of the plate 20a, similar to the vibratory movement of the plate Z in the first embodiment of the invention` The plate 2da rigidly supports a frame member 77 which embodies an upwardly directed tongue plate 78. This tongue plate spans the pin receiving opening 22 and is rigidly secured to the plate 29a as by means of four rivets 79.

The frame further embodies a top plate Si) as a forward extension of tongue plate 7S and which is provided with a relatively large clearage recess 81 for a purpose later to appear.

It will be seen that the frame 77 also embodies laterally disposed guide or track portions 82 which are of substantially closed form land which are integral with top plate Si), as is clearly shown in Fig. 1S.

This frame 77 as just described and including the track members 82, is disposed of the comb 31, and the plate Si) thereof is in spaced relation to the surface and parallel thereto.

At this point, it is to be noted that the frame 77 and the working plane surface of the comb 31 are at substantially a 45 degree angle to the base plate 1t), instead of a 60 degree angle as in the first embodiment.

However, such mgle may be varied within limits without in any way affecting the intended operation of the device.

The frame 77 will have oscillatory movement transversely to the teeth of comb 31, but will have no movement in a direction lengthwise of the teeth.

A carriage 83 is supported within the frame 77 and it includes a plate 84. This plate Sd is supported by casters 85 which are disposed within the track S2 and have a rolling contact. As shown in Fig. 16, the lower caster is in contact with the lower ange of the track, whereas the upper caster would be in contact with the upper flange of the track. This is because the lfingers 101 which press on the cutting blade 48, are lifting or supporting the upper end of the carriage due to the tension adjusting spring 103. Fig. 18 shows the lower caster in contact with the lower flange of the track.

movement to the carriage 83, in comb 31 and such means preferably comprise form lever 87 having ears 88 at the oppositeside edges thereof. These ears are pivotally connected to the flanges 12 immediately'within same, as indicated at 89.

The nlate lever 87 extends downwardly from the ears above the plane working surface extend rearwardly from and terminates in advance of the front end of carriage 83,- as illustrated in Fig. 16.

' A pair of connectors 90 (preferably liexible cable) the lever 87 and are disposed beneath the plate 84 of the carriage 83. These connectors have their forward ends secured to the lever 87, as at 91, kand have their rear ends secured to the carriage, as at 92.

The upper end of the cutter advancing lever S7 is provided with an upwardly arched finger engageable portion 93. "'S` p Downward pressure on this portion will through the connectors 90 move the carriage forwardly and the carriage is limited in its such as pins 94 engageable with the ears trated in Fig. 16'.

The carriage S3 is normally urged to a rearward position by means of a coil spring 95, whose forward end is connected to a depending lug 96 on the carriage.

The rear end of the spring is connected to a tongue 97 which extends forwardly of an apron 97a which in turn extends from one to the other of the side flanges 12.

A yieldable plate 98 is disposed beneath the carriage 83 and has an upwardly directed tongue 99 at its rear end and which is pivotally connected at 100 to the rear end of the carriage in the longitudinal center line thereof.

rlhe forward end of the plate 9S is bifurcated in the provision of a pair of tongues 1&1 whose extremities are rounded and directed downwardly in the form of reduced ends 102. These rounded free ends 102 are loosely received in apertures 52 in the upwardly arched portion of 4the cutting blade 48. i

ln order to maintain the' cutting blade in firm engagement with the working surface of comb 31, the plate 9S is yieldably urged, downwardly by means of a coil spring 103, whose lower end engages the upper surface of the plate and which upper end` engages a screw plug 104. The screw plug 104 is adjustably threaded in an internally threaded sleeve 10S extending through and projecting above, the plate 84 of the carriage 83. The recess 81, in the frame plate 50,'accommodates this plug 104 upon rearward movement of the carriage 83.

The operation'of the modified construction as above described, is lsimilar to that of the lirst embodiment.V

The frame 77, carriage 83, and cutting blade 48 will be reciprocated laterally of the comb teeth irrespective of the controlled position of the cutting blade lengthwise of the teeth of the comb. Therefore, by the co-action of the linger controls plate lever 87 and the spring 95 the oscillating blade 48 may be positioned anywhere on the working surface of the comb. This means that the power operating blade may be moved at will from the maximum advanced position shown in Fig. 16 to a non-cutting position on the solid portion of the comb, as well as at intermediate points.

The spr-ing is of sufficient strength to normally urge and hold the blade in its rear non-cutting position, similar to the position illustrated in Figs. l and 8.

While the levers 69 and S7 are shown in position to be engaged by a finger or thumb, these levers may be relocated or linked so that a squeezing pressure exerted by the hand will regulate the movement of the cutting blade fore and aft over the rigid comb.

One thing my invention has done is to bring into one simple fool-proof implement the means whereby an operator can do the things a barber does with two hands, namely, place a comb in position to elevate a portion only of the hair into cutting position and then cut off this projecting hair while the comb-like member holds it supported. Because the time of making the cut is in the control of the operator, he or she has ample opportunity to consider each intended cut and the effec-t it will produce before advancing the cutting member over the comb-like member to make the cut. In other words, the cutting membercan be reciprocating from. side to side over the 88, as illusforward movement by suitable'means' What i claim:

l. ln a hair cutting device, a supporting base, a comb rigidly supported by the base and having a working surface, said Working surface including a rear solid portion and a front toothed portion, a cutting blade supported on said working surface of the comb, pivoted means movable blade on said working surface transversely of the teeth of said comb, and manually actuable means engaged with said pivoted means for effecting said lengthwise movement along said solid and toothed portions simultaneously with the oscillation of the pivoted means.

2. ln a hair cutting device, a supporting head, a long toothed comb rigidly supported by the head and having surface, a cutting blade mounted on said pivotally engaging said cutting blade, manually actuable means engaged with said swingable member for moving said swingable member and said cutting blade to and fro lengthwise of the comb teeth gaged with said swingable member for normally holding said cutting blade on said solid portion.

4. The structure according to claim 2 between said swingable wherein said cutting blade to maintain a uniform pressure of the cutting blade against the comb in any of its to and fro positions.

5. ln a hair cutting device, a supporting plate having an aperture therein for projection therethrough of powered mechanism for imparting vibration, upper and lower gu-ide ways supported on the front face of said plate, a vibratory plate guidingly disposed between said guide ways and having operative connection with said mechanism, a

vibratory plates, a cutting blade supported on said working surface and operative engagements between the lower edge of said swingable plate an-d said cutting blade so that pivotal movement of said swingable plate will move said cutting blade in a cutting stroke longitudinally of the teeth of said comb.

6. In a hair cutting device a supporting head, a long toothed comb rigidly supported by the head, a plate guid- I 10 ingly supported by the head for oscillatory movement transversely .of the teeth of the comb, means supported by the plate for oscillatory movement therewith and means comprises a plate-like lever pivotally connected adjacent one end thereof to said supporting head and pivotally connected adjacent its opposite end to said carriage.

8. The structure according to claim 6 together with an elongated coiled spring having one end thereof connected to said supporting head and the opposite end thereof and having a forwardly extending portion; means to vibrate said frame member; guide means carried by said extending portion; a cutter blade mounted for sliding hair clipper, a frame supported operating a vibrating member, a hair pene 12. The structure according to claim 11 wherein the manually operable means is imparted to the manually operable means.

13. The structure according to claim 11 wherein said comb includes a relatively wide substantially solid portion forming a part of said working surface and yeldable means engaged with said swingable member for normally holding said cutting blade on said solid portion.

14. The structure according to claim l1 wherein said operative engagement between said swingable member and said cutting blade comprises a pair of lingers having corresponding ends thereof pivotally connected to the swingable member, yieldable means urging said ngers toward the cutting blade, and universal connections between the free ends ot said fingers and said cutting blade, whereby a three point pivotal relation is provided between said vi-` bratory member and said cutting blade to maintain a uniform pressure of the cutter blade against the comb in any of its to and fro positions.

15. In a hair clipper; a frame supported operating mechanism including a vibrating member; a comb rigidly secured to the frame having a base, an outer free edge, and an intermediate working surface; a blade pivotally connected to the vibrating member and freely slidable on the comb, said blade being thin with respect to its area and having a curved contour, concave to the comb working surface, and with a fluted cutting edge terminating in cutting teeth, whereby a minimum bearing surface is provided while retaining the rigidity and strength required of the cutting blade; and manually operated means for advancing and retracting said blade toward and from said free edge and for holding same in any position between said free edge and base of the comb.

16. In a hair cutting device, wherein vibratory means are provided to impart a rapid reciprocatory motion to a cutting blade slidably mounted above a fixed comb, the combination of a supporting base, said comb being rigidly supported by the base and having a working surface, said working surface including a rear solid portion and a front toothed portion terminating at the outer free ends of said teeth, manually operable means for moving said cutting blade in a longitudinal cutting stroke along said comb teeth, spring means for normally holding said cutting blade in a non-hair cutting position on the solid portion of said comb, and outer stop means for limiting the longitudinal cutting stroke of said cutting blade to a point adjacent the outer free ends of said comb teeth.

17. In a hair cutting device', a supporting base; a long toothed comb rigidly supported by the base and having a working surface; a vibratory member slidably mounted on said supporting base; a cutting blade on the Working surface of the comb; a swingable member pivotally connected to the vibratory member to vibrate therewith and operatively engaged with said cutting blade; manually operable means pivotally connected to said base and slidably engaging said swingable member for moving said swingable member and said cutting blade to and fro lengthwise of the comb teeth in a cutting stroke, said respective pivotal connections of the swingable member and the manually operable means being in axial alignment; outer stop means for limiting said cutting stroke; and resilient means for normally holding said manually operable means, swingable member, and cutting blade in a retracted non-hair cutting position on a solid portion vof the comb working surface; whereby on actuating said manually operable means said vibratory member continues to impart vibratory movement to the swingable member and to said blade in any position of the swingable member lengthwise of said comb teeth.

' 18. A hair clipper comprising a frame supported blade vibrating mechanism, a long toothed comb rigid with said frame and projecting from one side thereof, the cutting edges of said long teeth being in a common plane, and the opposite edges being rounded and tapering from the outer pointed ends of the teeth to their juncture with the base of the comb, a cutter blade having teeth relatively shorter with respect to the comb teeth slidably mounted on the plane surface of the comb and connected by a swingable mounting to said vibrating mechanism for transverse movement thereof on said comb, said cutter blade being freely movable with its swingable mounting longitudinally from the pointed ends of the comb teeth to the base joined ends thereof, and manually operable means cooperating with said swingable mounting and pivotally mounted on said fname and swingable over the plane surface of said comb to advance, retract or hold said cutter blade at any desired point between the free ends and base of Vthe comb teeth, whereby the cutter blade may be positioned on the comb edges t any desired angle with respect to a head of hair prior to advancing said blade in a cutting stroke along the comb teeth.

19. In a hair cutting device, a supporting head; a long toothed comb rigidly supported by the head and having a relatively wide substantially solid portion at the base of the teeth; a cutting blade mounted adjacent said comb; a swingable member pivotally connected to the head on an axis transverse to the comb teeth and operatively engaged with said cutting blade; yieldable means engaged with said swingable member for normally holding said cutting blade on said solid portion; manually actuable means engaged with said swingable member for moving said swingable member and said cutting blade to and fro lengthwise of the comb teeth in any desired position between the free and base ends of the comb teeth; and means operatively engaged with the swingable member for imparting vibratory movement thereto and to the blade transversely of the comb teeth in any position of the swingable member lengthwise of the teeth.

20. A hair cutting implement having a comb-like member with cutting edges bordering the :teeth of said member, a guide member mounted for lateral movement adjacent said comb-like member, -a carriage mounted in said guide member for lateral movement therewith and for longitudinal movement relative thereto adjacent said comb-like member; a cutter member operatively connected to said carriage and movable over and in contact with the cutting edges of the teeth of said comb-like member; means for laterally vibrating said guide member, thereby vibrating said carriage and said cutter member; yand manually operated means for varying the longitudinal position of said carriage, thereby moving said cutter member longitudinally over said teeth as it vibrates.

References Cited in the tile of this patent UNITED STATES PATENTS 232,938 Clough Oct. 5, 1880 2,306,039 Cromonic Dec. 22, 1942 2,579,924 Horstmann l Dec. 25, 1951 

